A continuously variable potentiometer gain control version is available to special order

3.

Various adaptors are available to convert to alternative connector standards.See Accessories

4.

The unit may be operated from an external supply between 6 and 12 volts DC(maximum) at 15 mA quiescent, 50 mA peak. The recommended voltage is 9 volts. The supply to each unit should be fully floating and regulated

5.

The circuit is DC coupled and no voltage offsets should be present on the input or output

6.

In the line mode, if ground loop problems are experienced, the signal ground can be disconnected at one end

7.

It is recommended that a nominal peak output of 0 dBu is used to avoid clipping